Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Diagnosis System

DIAGNOSIS SYSTEM

DESCRIPTION

(a) Smart access system with push-button start (for Start Function) data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.

CHECK DLC3

(a) Check the DLC3.

Click here

INSPECT BATTERY VOLTAGE

(a) Measure the battery voltage.

Standard Voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery.

    Terminals Of Ecu
    TERMINALS OF ECU CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (a) Disconnect the A74, R1 and J41 certification ECU (smart key ECU assembly) connectors. (b) Measure the voltage and resistance acco ...

    Dtc Check / Clear
    DTC CHECK / CLEAR NOTICE: When using the Techstream with the engine switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until ...

    Other materials:

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    Performing the following operations when carrying the electronic key on your person starts the hybrid system or changes power switch modes. Starting the hybrid system 1. Check that the parking brake is set. 2. Check that the shift lever is in P. 3. Firmly depress the brake pedal. and a ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Rear Power Seat Control System(for Third Row): Initialization
    INITIALIZATION 1. INITIALIZATION (INITIAL POSITION CLEAR) NOTICE: It is necessary to perform initialization (initial position clear) if any of the following conditions are met. The fold seat control ECU has been replaced with a used one. The No. 2 seat cushion frame sub-assembly RH, No. 2 seat ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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